Esteban Treviño

Software Engineer / estebantrvn.it@gmail.com

About Me

I am a developer committed to continuously enhancing team performance through coding standards, optimization, and clean, readable code. I am proactive, collaborative, and eager to contribute to collective success. My goal is to specialize in Data Science, with a particular focus on Artificial Intelligence and Big Data.

Experience

PwC

Company of the Big Four auditors, providing audit, tax, and consulting services.

Software Engineer (Senior Associate)

Oct 2023 - Present

  • Developed and maintained full-stack applications using React and Node.js (TypeScript), ensuring high performance and scalability.
  • Designed and implemented APIs with GraphQL and Apollo Server, focusing on efficient data retrieval and security.
  • Refactored legacy codebases to improve maintainability, readability, and adherence to modern coding standards.
  • Optimized application performance by identifying and resolving bottlenecks in both front-end and back-end systems.
  • Debugged and resolved complex issues across the application stack, ensuring minimal downtime and high reliability.
  • Led a small team to successfully deliver pod-level tasks, fostering collaboration and meeting tight deadlines.
  • Directed the development of microservices, ensuring modularity, scalability, and seamless integration with existing systems.

Luxoft

A DXC Technology Company that provides IT services and software development for various industries.

Software Developer

Dec 2021 - Jun 2023

  • Developed middleware solutions using Serverless (Node.js) and React.js, ensuring seamless integration with external APIs.
  • Designed and maintained databases with DynamoDB, focusing on scalability and performance.
  • Provided production support, identifying and resolving issues to ensure system reliability.
  • Implemented unit testing with Mocha to enhance code quality and reduce bugs.

Envia.com

A logistics company specializing in parcel, freight shipping services, and warehouse management.

Back End Developer

Sep 2020 - Dec 2021

  • Developed and optimized back-end applications using Node.js (Hapi), ensuring high performance and scalability.
  • Designed and maintained MySQL databases, creating efficient functions and queries.
  • Led back-end development efforts, ensuring code quality and adherence to best practices.
  • Integrated and consumed microservices to enhance application functionality.

Energon Solar

A company specializing in the design and installation of solar energy systems for residential and commercial use.

App Developer

Nov 2019 - Sep 2020

  • Developed mobile applications using React Native, ensuring cross-platform compatibility and user-friendly interfaces.
  • Built and maintained APIs with Laravel (PHP), focusing on security and performance.

Full-stack Developer

Mar 2019 - Sep 2020

  • Developed MVC applications and APIs using Laravel (PHP) and Vue.js 2, ensuring modularity and maintainability.
  • Designed and maintained databases in PostgreSQL and MSSQL, optimizing for performance and reliability.

Education

Associate's Degree in Administrative Computer Engineering

Universidad TecMilenio

2018 - 2023

Technical Baccalaureate in Computer Systems

Escuela Industrial y Preparatoria Técnica "Pablo Livas"

2015 - 2018

Skills

    Fullstack Development

  • React
  • Vue.js
  • Node.js
  • TypeScript
  • Learning Python

    API Development

  • Node.js (Hapi, Express, Fastify, Serverless)
  • GraphQL

    Mobile Development

  • React Native

    Database Management

  • PostgreSQL
  • MySQL
  • MSSQL
  • DynamoDB

    Testing & Optimization

  • Unit testing with Mocha
  • Code refactoring
  • Performance optimization

    Soft Skills

  • Teamwork
  • Adaptability to change
  • Proactivity
  • Self-taught

Languages

    Spanish

  • Oral ProficiencyNativo
  • Written ProficiencyNative

    English

  • Oral ProficiencyAdvanced Level
  • Written ProficiencyAdvanced Level

    German

  • Oral ProficiencyBasic Level
  • Written ProficiencyBasic Level